Patents by Inventor Stuart Bruce Laing

Stuart Bruce Laing has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Process for the preparation of 11-.beta.-nitro-oxysteroids
    Patent number: 3980681
    Abstract: Process for preparing 9 .alpha.-hydroxy-11 .beta.-nitro-oxysteroids having a aromatic ring A wherein an aromatic A-ring-containing 9, 11-unsubstituted steroid or corresponding 9,11-dehydrosteroid is oxidized with ceric ions in the presence of nitrate ions.
    Type: Grant
    Filed: August 19, 1974
    Date of Patent: September 14, 1976
    Inventors: Peter Job Sykes, Gordon Hanley Phillipps, Stuart Bruce Laing, John Peter Turnbull